Vehicle recall R/2021/317

Porsche 911 recall: The screw connection of the pressure input rod of the brake booster was not carried out according to regulations

DVSA recall R/2021/317 names the Porsche 911. It was launched 22 September 2021. It covers vehicles built 7 November 2018 to 29 April 2021.

Recall data updated 22 September 2026

Recall: R/2021/317
Launched: 22 September 2021
Issued by: PORSCHE
Manufacturer reference: AMB9
Vehicles: 4 across the lines below

What can go wrong

The screw connection of the pressure input rod of the brake booster may not have been tightened according to regulations.

The fix

The brake booster must be replaced or reworked depending on the vehicle type.

Models and build dates

As listed in the DVSA recall file. Vehicle numbers are DVSA figures for each line.
Model	Built	Vehicles
Porsche 911	7 November 2018 to 29 April 2021	4

Is a specific car affected? A recall lists models and build dates, not individual vehicles, so these pages cannot tell you whether one car is included. Enter the registration on the DVSA vehicle recall checker on GOV.UK, or give the vehicle identification number (VIN) to the manufacturer or one of its dealers. Buying used? Ask the seller for proof that any recall work was done.

Other recalls for these models

R/2021/126 The threaded connections of the upper control arms at the rear axle were not tightened with the specific tigtening torque 24 March 2021, Porsche 911
R/2020/211 The four wheel final drive screw joints to the transmission mount have not been tightened to correct specifications 17 July 2020, Porsche 911
R/2020/108 There is a possibility that the hazard warning lights will not be activated after pressing the centre console button 13 December 2019, Porsche 911
R/2019/250 Air bag control unit may have been installed with a faulty capacitor 23 August 2019, Porsche Boxster, Porsche Panamera, Porsche 911 and others
R/2023/319 On affected vehicles the side airbag installed in bucket seats may be activated unnecessarily. 8 November 2023, Porsche 911
R/2019/251 Loudspeaker cover may not have been installed in the door sub frame 31 July 2019, Porsche Boxster, Porsche 911

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Source

Contains public sector information licensed under the Open Government Licence v3.0. Source: DVSA vehicle recall records (RecallsFile.csv), recalls launched 1992 to 2026. Recall data updated 22 September 2026.

Recall wording is DVSA's, with capitals and punctuation tidied and American spellings such as tire, center and windshield given in British English. We list a recall when its make and model match a car or van family with at least 1,000 DVSA MOT tests from 2022 to 2025, and when the maker of the vehicle issued it.

Not affiliated with or endorsed by DVSA. Methodology · Data sources